18741537

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:990

約数の個数: 20

約数和(自身を含む): 28115076

約数和(自身を除く): 9373539

約数列:

[1, 3, 9, 27, 81, 401, 577, 1203, 1731, 3609, 5193, 10827, 15579, 32481, 46737, 231377, 694131, 2082393, 6247179, 18741537]

約数ペア:

[(1, 18741537), (3, 6247179), (9, 2082393), (27, 694131), (81, 231377), (401, 46737), (577, 32481), (1203, 15579), (1731, 10827), (3609, 5193)]